Home / 53,302.25-79,953.78-18,242.21

Finding the Fourth Proportional to 53,302.25, 79,953.78 and 18,242.21

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Solution

The fourth proportional to 53,302.25, 79,953.78 and 18,242.21 is: 27,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302.25 : 79,953.78 = 18,242.21 : x
  2. Step 2: Convert to fraction form
    53,302.25/79,953.78 = 18,242.21/x
  3. Step 3: Cross multiply
    53,302.25x = 79,953.78 × 18,242.21
  4. Step 4: Simplify right side
    53,302.25x = 1,458,533,645.05
  5. Step 5: Solve for x
    x = 1,458,533,645.05/53,302.25
  6. Step 6: Final answer
    x = 27,363.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.